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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>常州東華大學(xué)音頻證書,音頻</p><p><span>***更新：</span>2021-01-21 00:19:47</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="w4oueof" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海懷嚴(yán)文化傳媒有限公司</a></p><p><span>聯(lián)系人：</span>曹晨光</p><p><span>郵箱: </span>deforu@163.com</p><p><span>電話: </span>13611988611</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.oranshine.com</p><p><span>手機(jī): </span>021-64458098</p><p><span>地址: </span>宜山路508號(hào)3E室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qsn7id6" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tob2azn" class="box"><p><p style="text-indent:25px">高切濾波器：指家用音頻系統(tǒng)中濾除高頻的濾波器。高通濾波器：一種電子濾波器，高于某個(gè)頻率的信號(hào)可以通過這個(gè)濾波器，而低于的頻率信號(hào)被抑zhi。限幅器：用來使信號(hào)的振幅不超出大值的電子設(shè)備。參量均衡器：一種帶有增強(qiáng)功能的音頻均衡器，增強(qiáng)功能包括**均衡頻率調(diào)整、品質(zhì)因素調(diào)整以及和其他一樣增益衰減電平控制。打板器：由一個(gè)按鈕和指示燈組成，連接到一個(gè)電子振蕩器上，通常用于便攜式磁帶音頻機(jī)，以顯示畫面和聲音的同步點(diǎn)，用于同步聲音和畫面的工具。話筒車吊桿：將傳聲器舉在空中的一種器械，常州東華大學(xué)音頻證書，通過搖動(dòng)話筒桿臂，以及旋轉(zhuǎn)方向控制位于遠(yuǎn)端的傳聲器。報(bào)號(hào)軌：報(bào)號(hào)軌也是一種聲軌，常州東華大學(xué)音頻證書，常州東華大學(xué)音頻證書，通常在多聲軌的媒介上預(yù)先錄制好聲音，以引導(dǎo)樂師或其他音頻員保持畫面及其聲軌之間同步。質(zhì)量的音頻師必須能夠根據(jù)自己對(duì)影視腳本的理解與感悟以及導(dǎo)演的創(chuàng)作意圖。常州東華大學(xué)音頻證書</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州東華大學(xué)音頻證書,音頻" src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038572759296/5736462.png"></div><p style="text-indent:25px">音頻藝術(shù)專業(yè)培養(yǎng)的學(xué)生要求具有較高的藝術(shù)素質(zhì)和修養(yǎng)，具備深厚的音樂功底，熟知各種音頻設(shè)備，同時(shí)又掌握一定的音頻理論及技巧，能在廣播、電視、電影系統(tǒng)和文化藝術(shù)部門從事聲音（音響）設(shè)計(jì)、錄制的高級(jí)專門人才。音頻直觀的，讓人們便于理解的概念就是把自然界中存在的和人們?yōu)榱四撤N需要?jiǎng)?chuàng)造的音響記錄下來。該專業(yè)對(duì)聲音記錄及處理的質(zhì)量要求很高，大家聽到的CD，電視聲，廣播聲，等等，都由該專業(yè)人員經(jīng)過一系列漫長的過程，將聲音記錄，混合等等的處理后，再由各種人們需要使用的電器的揚(yáng)聲器，播放出來。上海體育學(xué)院音頻管理其實(shí)任何我們可以聽見的聲音經(jīng)過音頻線或話筒的傳輸都是一系列的模擬信號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州東華大學(xué)音頻證書,音頻" src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038483042832/5102551.png"></div><p style="text-indent:25px">我們注意一下身邊的CD片就會(huì)看到很多CD都有如：ADD、AAD、DDD等標(biāo)記。三個(gè)字母按順序各表示該片在音頻、編輯、成品三個(gè)過程中所使用的方法，是模擬(Analog)還是數(shù)字(Digital)。當(dāng)然A表示模擬，D表示數(shù)字。AAD就說明其音頻和編輯是用模擬方式的，而然后灌片是用數(shù)字方式的，這類唱片多是將過去錄制的音樂轉(zhuǎn)成CD片而不做任何修改。ADD則是有一個(gè)修改過程。許多古典音樂大師的演奏或指揮多錄制于模擬時(shí)代，我們聽到的CD是經(jīng)過修改后灌錄的，很多這類唱片都有標(biāo)記ADD。而DDD的唱片必然是較現(xiàn)代的音頻品。自然，CD片必然以D結(jié)尾，而磁帶可以姑且認(rèn)為是AAA，雖然好像并沒有這種說法。</p><p style="text-indent:25px">模擬音頻：一種與聲波的波形形成1：1的比例進(jìn)行傳播或記載的信號(hào)表示方法?？梢杂秒娮拥摹C(jī)械的、磁性的或光學(xué)的形式來表現(xiàn)?？梢圆蓸樱瑹o需量化，在振幅范圍內(nèi)表現(xiàn)為無限連續(xù)的形態(tài)。數(shù)字音頻：指所有用數(shù)字技術(shù)進(jìn)行錄制、儲(chǔ)存和傳送音頻的手段。通過采樣、量化、編碼等，它記錄的數(shù)字，表現(xiàn)為不連續(xù)的形態(tài)。音頻帶寬：系統(tǒng)具有一致頻率響應(yīng)的頻率范圍，一般認(rèn)為是某個(gè)低頻到某個(gè)高頻的范圍，人的聽覺帶寬通常認(rèn)為在20HZ到20KHZ之間。音頻調(diào)音臺(tái)：控制和分配各種信號(hào)，包括信號(hào)的連接和走向，母線、輔助送出及其聲像位置調(diào)整，還可以處理音頻，做放大器、限幅器、壓縮器和均衡器。量化：那連續(xù)變化的信號(hào)振幅按一定間距設(shè)定的有限個(gè)不連續(xù)振幅電平，從而將連續(xù)信號(hào)轉(zhuǎn)變階梯狀的不連續(xù)信號(hào)波形的操作叫量化。聲音的聲學(xué)特性如音的高低等都可以用計(jì)算機(jī)硬盤文件的方式儲(chǔ)存下來。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州東華大學(xué)音頻證書,音頻" src="https://tyunfile.71360.com/UploadFile/huaiyan/637414038341958524/6554051.png"></div><p style="text-indent:25px">數(shù)碼音頻是我們保存聲音信號(hào)，傳輸聲音信號(hào)的一種方式，它的特點(diǎn)是信號(hào)不容易損失。而模擬信號(hào)是我們?nèi)缓罂梢月牭降臇|西。不過模擬信號(hào)錄制過程中的修改簡直是一場災(zāi)難，損失太大了。有此僻好的格倫?古爾德若也會(huì)瞠目結(jié)舌的。而數(shù)碼音頻復(fù)制100遍也不會(huì)有損耗，不信大家COPY一個(gè)wav文件試試？數(shù)碼音頻關(guān)鍵一步就是要把模擬信號(hào)轉(zhuǎn)換為數(shù)碼信號(hào)。就電腦而言是把模擬聲音信號(hào)錄制成為wav文件，這個(gè)工作Windows自帶的音頻機(jī)也可以做到，但是它的功能十分有限，不能滿足我們的需求，所以我們用其他專業(yè)音頻軟件代替，如Sound Forge等。錄制出來的文件就是wav文件，描述wav文件主要有兩個(gè)指標(biāo)，一個(gè)是采樣頻率，或稱采樣率、采率，另一個(gè)是采樣精度也就是比特率。這是數(shù)字音頻制作中十分重要的兩個(gè)概念?，F(xiàn)在音響創(chuàng)作人員需要具備多種素質(zhì)，既要熟練掌握高技術(shù)的設(shè)備來完成復(fù)雜的音頻工作。常州東華大學(xué)音頻證書</p><p style="text-indent:25px">粉紅噪聲：各倍頻程中聲能相等的隨機(jī)噪聲，利用粉紅噪聲以及實(shí)時(shí)頻譜分析儀可以測試聲音系統(tǒng)。常州東華大學(xué)音頻證書</p><p style="text-indent:25px">雙軌立體聲音頻和多軌立體聲音頻的區(qū)別：雙軌立體聲音頻采用一對(duì)立體聲話筒為主傳聲器，加若干輔助傳聲器的方式進(jìn)行音頻，因而傳聲器設(shè)置十分重要，音頻成敗很關(guān)鍵，后期混縮工作比較簡單。多軌立體聲音頻采用多路傳聲器拾取信號(hào)，因而后期縮混成為音頻成敗的關(guān)鍵。雙軌立體聲音頻效果處理上采用自然效果，依靠聲場進(jìn)行加工，對(duì)聲場聲學(xué)條件要求高。多軌立體聲音頻采用近距離拾音，加人工混響的方式，因而對(duì)聲場要求不嚴(yán)格，通常采用強(qiáng)吸收短混響的音頻棚。生源方面，雙軌立體聲主要采用錄制傳統(tǒng)聲學(xué)樂隊(duì)，而多軌音頻多錄制流行音樂。常州東華大學(xué)音頻證書</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2933661.html</p></div></div></div></div></div><div id="bac7blv" class="page-right twoColRt"><div id="yxocf6f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qo96lv4" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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